51721826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{64171}}^1$

素因数の和:64217

約数の個数: 16

約数和(自身を含む): 86247168

約数和(自身を除く): 34525342

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 64171, 128342, 834223, 1668446, 1989301, 3978602, 25860913, 51721826]

約数ペア:

[(1, 51721826), (2, 25860913), (13, 3978602), (26, 1989301), (31, 1668446), (62, 834223), (403, 128342), (806, 64171)]